By itself, that would be busted, so there are some caveats here
Thanks to the way poison works, Blightsteel is a one-hit kill if it's not blocked, but throwing creatures in front of this beast will see them killed or shrunken, and you'll likely still take some poison damage
Definition Approaches to power level in official Magic formats like Standard or Booster Draft may consider the speed of a format, or the rate of format staples relative to Magics history
(I'm not getting into how production makes cards, but how R&D handles the information.) Thus the first function of a card code is to let everyone know a card's rarity
Domri Rade and Voice of Resurgence both held this spot in their respective sets last year, and both cards currently sell for the very same $30 each right now
Kenessos, Priest of Thassa This one might be more of a sentimental favorite since dear friend, fellow RC member, and Arixmethes, Slumbering Isle designer Scott Larabee has a Sea Monsters deck, which I enjoy pulling out the Mirror Strike for